fix: highlight selected region in hierarchy
feat: on region select, close hierarchy
feat: point dialog closes dialog
fix: best viewpoints

fix: p/n shortcut updates pip

fix: selecting new pt asmt/reg while min

expmt: get related regions
maint: refactor

maint: siibra-api version

feat: allow fsaverage grid toggle
feat: allow feature download
maint: surface face selection disabled

feat: rgb colormap control
fix: touch control not working

maint: added css to vanilla.html

minor refactor

TODO:

- annotation
- real space not yet available
- nehuba status panel busted
- check swc works

generally working with the following caveats:

- fsaverage busted
- annotation not yet working
- colin27 busted
- real space interpolation values not yet available
- (as a result of above) nehuba status panel not yet working

ALSO TO CHECK:
- swc